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Unequal error protection of LT codes over noisy channels
KTH, School of Electrical Engineering (EES), Communication Theory.
KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0002-5407-0835
KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0001-7182-9543
2012 (English)In: 2012 Swedish Communication Technologies Workshop, Swe-CTW 2012, IEEE , 2012, 19-24 p.Conference paper, Published paper (Refereed)
Abstract [en]

We propose a new unequal error protection (UEP) scheme for Luby Transform (LT) codes over additive white Gaussian noise (AWGN) channels. In contrast to the state-of-the-art UEP scheme for LT codes where the effective code rates are exploited for UEP, we characterize the variable-node degree distribution to achieve UEP for LT codes. For performance analysis, we compare the lower bounds on bit error rate for our proposed scheme and a conventional UEP-based LT codes over AWGN channels for various parameters. Moreover, it is demonstrated through numerical examples that our proposed UEP scheme has better performance than the conventional UEP-based LT codes over a wide range of code rates and channel conditions.

Place, publisher, year, edition, pages
IEEE , 2012. 19-24 p.
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-114273DOI: 10.1109/Swe-CTW.2012.6376281Scopus ID: 2-s2.0-84871916057ISBN: 978-146734763-1 (print)OAI: oai:DiVA.org:kth-114273DiVA: diva2:588248
Conference
2012 Swedish Communication Technologies Workshop, Swe-CTW 2012; Lund; 24 October 2012 through 26 October 2012
Note

QC 20130116

Available from: 2013-01-15 Created: 2013-01-15 Last updated: 2013-01-16Bibliographically approved

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Xiao, MingRasmussen, Lars K.

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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